![While river otters usually mate for life, sea otters are polygamous, and their mating ritual is so rough that it was found responsible for 11% of all fresh southern sea otters deaths While river otters usually mate for life, sea otters are polygamous, and their mating ritual is so rough that it was found responsible for 11% of all fresh southern sea otters deaths](https://i.redd.it/oyrtc6hf4xl01.jpg)
While river otters usually mate for life, sea otters are polygamous, and their mating ritual is so rough that it was found responsible for 11% of all fresh southern sea otters deaths
![Endangered sea otters could disappear from Japan aquariums as mating instincts 'wane' | South China Morning Post Endangered sea otters could disappear from Japan aquariums as mating instincts 'wane' | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/styles/1200x800/public/d8/images/canvas/2023/02/24/4a9b9af2-6523-443b-933e-16648c1f149b_561889f9.jpg?itok=DIld4vfS&v=1677210042)
Endangered sea otters could disappear from Japan aquariums as mating instincts 'wane' | South China Morning Post
![Most river otter species are monogamous and mate for life. So those cute pictures of otter couples you see, they may just be together forever. : r/Awwducational Most river otter species are monogamous and mate for life. So those cute pictures of otter couples you see, they may just be together forever. : r/Awwducational](https://preview.redd.it/kh82x8h3cgw41.jpg?auto=webp&s=6871b8ed5a949add670dd99c6a5c14167d09748e)